Witch from Nepal

Who brings this magic out in him?

During a safari in Nepal with his girlfriend, Joe is unbelievably chosen as the chief of a mystical tribe and is filled with magic power. When Joe is back to Hong Kong, a slave girl from the tribe helps him and gives him the token of authority. The two also fall in love. The Messenger of Evil from Nepal comes to attack Joe for the token. The sacrifice of the slave girl compels Joe to fight desperately against the Evil.